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Summary

Narrow curvilinear earthwork ditches interpreted as the gutters of a 19th century catch meadow irrigation system are visible on visualisations derived from lidar data captured between 1998 and 2017.

Location

Protected Status: none recorded

Other References/Statuses: none recorded

Monument Type(s) and Dates

• CATCH MEADOW (XIX - 1801 AD to 1900 AD (Between))

Full description

Ordnance Survey, 1880-1899, First Edition Ordnance 25 inch map (Cartographic). SDV336179.

The earthworks do not correspond with any curvilinear features in this location.

Environment Agency, 1998-2017, LiDAR DTM data (1m resolution) EA: South Devon Coast to Dartmoor, LIDAR SX7148 Environment Agency DTM 01-JAN-1998 to 31-MAY-2017 (Cartographic). SDV361470.

Narrow curvilinear ditches are visible as earthworks.

Google, 2019, Google Earth Pro, EARTH.GOOGLE.COM XX-XXX-1999 ACCESSED 20-FEB-2020 (Aerial Photograph). SDV363088.

Narrow curvilinear ditches are visible as earthworks.

Hegarty, C., Knight, S. and Sims, R., 2019-2020, The South Devon Coast to Dartmoor Aerial Investigation and Mapping Survey. Area 2, Avon Valley to Plymouth (AI&M, formerly NMP) (Interpretation). SDV362982.

Narrow curvilinear ditches, less than 2m wide, are visible as earthworks on digital images derived from aerial photographs taken in 1999 and visualisations derived from lidar data captured between 1998 and 2017. The earthwork channels follow the contours of the northwest facing combe slope and occupy an area of circa 0.5 hectares. They are interpreted as the gutters of a 19th century catch meadow irrigation system possibly associated with one of the farmsteads of Lower or Higher Yanston and which tapped a spring-fed stream that rises circa 120m to the northeast. Catch meadow systems are designed to irrigate pasture by diverting water from a spring or stream. The water is carried along the valley sides via one or more channels or gutters and when irrigation was required the gutters were blocked, causing water to overflow from gutter to gutter, thereby irrigating the slopes. This film of water prevented the ground freezing during the winter and raised the temperature of the grass in the spring, thereby encouraging early growth, particularly important during the hungry gap of March and April. No features are depicted in this exact location on the available historic mapping, and any catch meadow here presumably fell out of use by the late-19th century.

Sources / Further Reading

Associated Monuments: none recorded

Associated Finds: none recorded

Associated Events

• EDV8098 - The South Devon Coast to Dartmoor Aerial Investigation and Mapping (formerly NMP) Survey, Area 2, Avon Valley to Plymouth (Ref: ACD2040)

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